Kim Kardashian has labelled her trip to Austria the "trip from hell" and claimed "it was so racist."

Stunning Kim, 33, who is married to rapper Kanye West, 37, let rip about her visit to Vienna on last night's episode of the hit show Keeping up with Kardashians.

Both she and her mother Kris Jenner, 58, vented their fury about a white comedian, Chris Stephan, who blacked out his face with make up and yelled "It's me, Kanye" at her as she attended the Vienna Ball.

She fumed: "I can't believe there's this guy in blackface. I don't get why him or anyone else would find this funny."

The brunette beauty claimed she was further horrified in a live TV interview when comedian Oliver Pocher used the N-word in front of her - joking he was only going to dance when 'N****** in Vienna' was played.

To add insult to injury the star also revealed a passenger made racial slurs against her and Kanye's daughter North during the flight home.

A disgusted Kim revealed to her younger sister Khloe, 30, that it was "the trip from hell" and said: "It's like we're honestly in a time warp. Racial insensitivity, everything from this trip, has just been a true nightmare."

Meanwhile Stephan - who describes himself as a stand-up comedian - has issued an apology on his Facebook page, insisting he's not racist.

In the statement he says he is "incredibly sorry" for causing offence, he is of "Arab descent himself" and "never intended to be racist."